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I had no computer at the time and no Keplerian elements. I mounted a small video camera in the centre of four 16-element Yagi antennas and rotated the elevation and azimuth motors until I could see the moon in the centre of the monitor in the shack. Of course when the sky was overcast I was out of business. Much later when I obtained a little Sinclair ZX80 computer life became easier.
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